The course vehicle that is called from the pits to run in front of the leading car in the race in the event of a problem that requires the cars to be slowed.
The technical checking of cars by the officials to ensure that none are outside the regulations.
For timing purposes the lap is split into three sections, each of which is roughly a third of the lap. These sections are officially known as Sector 1, Sector 2 and Sector 3.
A brief test when a team is trying a different car part for the first time before going back out to drive at 100% to set a fast time.
The part of the car that flanks the sides of the monocoque alongside the driver and runs back to the rear wing, housing the radiators.
A driving tactic when a driver is able to catch the car ahead and duck in behind its rear wing to benefit from a reduction in drag over its body and hopefully be able to achieve a superior maximum speed to slingshot past before the next corner.
Each team brings an extra car to races, or sometimes two, in case of damage to the cars they intended to race. Also called a T-car.
Splash and dash
A pit stop in the closing laps of the race when a driver calls in for just a few litres of fuel to be sure of making it to the finish.
One of three high-ranking officials at each Grand Prix appointed to make decisions.
A penalty given that involves the driver calling at his pit and stopping for 10 seconds - with no refuelling or tyre-changing allowed.